a rocket for use in deep space is to be capable of boosting a total load (payloa

Question

a rocket for use in deep space is to be capable of boosting a total load (payload plus rocket frame and engine) of 3.00 metric tons to a speed of 10 000 m/s. a) it has an engine and fuel designed to produce an exhaust speed 2000 m/s. how much fuel plus oxidizer is required. b) if a different fuel and engine design could give an exhaust speed of 5 000 m/s what amount of fuel and oxidizer wold be required for the same task? c) noting that the exhaust speed in part b is 2.5 times higher than that in part a explain why the required fuel mass is not simply smaller by a factor of 2.50

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